SOLED (stacked organic light-emitting device)

A SOLED is a stacked organic light-emitting device. It is a type of light-emitting diode (LED) that uses organic materials to produce light. The organic materials are typically small molecules or polymers that are layered on top of each other to form a stack. SOLEDs are typically made from three main layers: an anode, a … Read more

Port knocking

Port knocking is a security technique used to protect servers from unauthorized access. It works by requiring the client to send a specific sequence of network traffic to a closed port on the server before the server will open the port and allow the client to connect. This sequence is typically something that would not … Read more